Examine source code of Site Time Tracker (Alman)

{
  "manifest_version": 2,
  "name": "Site Time Tracker",
  "version": "1.0",
  "description": "Misst lokal, wie lange du auf bestimmten Webseiten (z. B. TradingView, Bitunix) aktiv warst.",
  "permissions": [
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_title": "Site Time Tracker",
    "default_popup": "popup.html",
    "default_icon": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "site-time-tracker@philipp.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}